CN114094643B - Electric energy system and energy flow method for subway station fusion - Google Patents
Electric energy system and energy flow method for subway station fusion Download PDFInfo
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- CN114094643B CN114094643B CN202111152870.7A CN202111152870A CN114094643B CN 114094643 B CN114094643 B CN 114094643B CN 202111152870 A CN202111152870 A CN 202111152870A CN 114094643 B CN114094643 B CN 114094643B
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000004927 fusion Effects 0.000 title description 3
- 238000004146 energy storage Methods 0.000 claims abstract description 65
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000007726 management method Methods 0.000 description 34
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J5/00—Circuit arrangements for transfer of electric power between ac networks and dc networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
- H02J3/322—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The invention relates to an electric energy system and an energy flow method thereof for fusing subway stations, wherein the system comprises a roof photovoltaic device, a distributed charging pile, a piezoelectric module, an energy storage module, a direct current bus and an alternating current bus, wherein the roof photovoltaic device, the distributed charging pile, the piezoelectric module and the energy storage module are respectively connected with the direct current bus, the roof photovoltaic device and the piezoelectric module are used for providing electric energy for the energy storage module and the distributed charging pile, an interconnection device is connected between the energy storage module and the alternating current bus, and the interconnection device is used for realizing the interconnection of the energy storage module and the alternating current bus.
Description
Technical Field
The invention belongs to the technical field of photovoltaic power generation technology and shared traveling, and particularly relates to an electric energy system and an energy flow method for subway station integration.
Background
Along with the progress of scientific technology, the diversified selection of the travel modes of people is promoted, the development of economy and society is promoted, the thinking of people on high-efficiency utilization of energy resources is induced, the subway travel is on time and convenient, and is more and more favored by people, but the construction of a subway station occupies land resources, the land resources of the subway station cannot be utilized multiple in the 'inch Jin Cuntu' section, a large amount of electric energy is required for the operation and maintenance of the subway station in daily life and work, and the multiple utilization of the land resources of the subway station is realized under the 'double-carbon' emission reduction struggle target; and how to realize clean and reliable supply of electric energy are important topics of current people.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an electric energy system and an energy flow method for fusing subway stations, so that the subway stations realize 'one station with multiple purposes and resource sharing' and realize clean and reliable supply of electric energy.
The invention solves the technical problems by adopting the following technical scheme:
in one aspect, the invention provides an electric energy system for metro station fusion, comprising a roof photovoltaic device, a distributed charging pile, a piezoelectric module, an energy storage module, a direct current bus and an alternating current bus, wherein the roof photovoltaic device, the distributed charging pile, the piezoelectric module and the energy storage module are respectively connected with the direct current bus, the roof photovoltaic device and the piezoelectric module are used for providing electric energy for the energy storage module and the distributed charging pile,
an inverter and a rectifier are connected between the DC bus and the AC bus, the inverter and the rectifier are used for AC-DC conversion of the DC bus and the AC bus,
an interconnection device is connected between the energy storage module and the alternating current bus, the interconnection device is used for realizing the interconnection of the energy storage module and the alternating current bus, a direct current interface of the interconnection device is connected with the energy storage module, an alternating current interface of the interconnection device is connected with the alternating current bus, the interconnection device is two groups of AC-DC bidirectional converters,
the DC bus is used for providing electric energy for one or more of DC loads, and the AC bus is used for providing electric energy for one or more of AC loads;
preferably, the roof photovoltaic device comprises a photoelectric conversion module and an electric energy management module, the photoelectric conversion module is connected with the electric energy management module, the photoelectric conversion module comprises a solar panel and an output port, the solar panel is of an adjustable structure, the adjustable structure is used for adjusting the angle of the solar panel, the electric energy management module is used for monitoring electric quantity and allocating electric energy, the output port is connected with the direct current bus, the electric energy management module is connected with the energy storage module, the electric energy management module is used for allocating energy of the energy storage module and acquiring the electric quantity value of the energy storage module,
the distributed charging pile comprises a charging column body and a charging interface, the distributed charging pile is connected with the electric energy management module, and the electric energy management module is used for controlling energy allocation of the distributed charging pile;
preferably, the roof photovoltaic device further comprises a weather information module, wherein the weather information module is connected with the electric energy management module, and is used for collecting weather information in real time, analyzing weather information data and sending the weather information data to the electric energy management module;
on the other hand, the invention also provides an energy flow method of the electric energy system fused with the subway station, when the electric energy system runs normally, the electric energy management module controls the photoelectric conversion module and the piezoelectric module to supply power to the distributed charging piles preferentially, under the condition that the power consumption of the distributed charging piles is ensured, the photoelectric conversion module and the piezoelectric module supply power to the direct current load in turn, after the power consumption of the distributed charging piles and the direct current load is ensured, the energy storage module supplies power, when the electric quantity of the energy storage module reaches 90 percent, the inverter supplies power to the alternating current load, and when the power consumption of the alternating current load is ensured, the energy storage module supplies power to the commercial power through the alternating current interface of the interconnection device,
when the photoelectric conversion module and the piezoelectric module supply power to the distributed charging piles, the electric energy management module controls the energy storage module to supply power to the distributed charging piles preferentially, when the distributed charging piles are guaranteed to supply power, the electric energy management module controls the energy storage module to supply power to the direct current load, when the electric quantity of the energy storage module reaches 30%, mains supply supplies power to the energy storage module through a direct current interface of the interconnection device, the electric energy management module controls the energy storage module to supply power to the distributed charging piles preferentially, when the electric quantity of the energy storage module reaches 90%, the electric energy management module controls the energy storage module to supply power to the direct current load, after the power supply of the direct current load is guaranteed, the mains supply supplies power to the alternating current load through an alternating current interface of the interconnection device, and after the power supply of the alternating current load is guaranteed, the rectifier wants to supply power to the distributed charging piles.
The invention has the advantages and positive effects that:
compared with the prior art, the electric energy system and the management method for the integration of the subway stations are used for planning the population-distributed subway station areas, realizing 'one-station multi-purpose and resource sharing' of the subway stations through the electric energy management system, particularly, arranging an electric energy management module in the system for energy allocation and data information acquisition, and simultaneously arranging an interconnection device between the energy storage module and the alternating current bus, wherein the interconnection device can be used for realizing the interconnection of the energy storage module and the alternating current bus, so that the energy can be allocated, and the clean and reliable supply of the electric energy is realized.
Drawings
FIG. 1 is a block diagram of an electrical energy system integrated with a subway station according to the present invention;
FIG. 2 is a schematic diagram of the circuit connections of the power management module in the power system of the present invention;
fig. 3 is a schematic connection diagram of the interconnect device of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Embodiment one:
the invention provides an electric energy system for fusing subway stations, which comprises a roof photovoltaic device, a distributed charging pile, a piezoelectric module, an energy storage module, a direct current bus and an alternating current bus, wherein the roof photovoltaic device, the distributed charging pile, the piezoelectric module and the energy storage module are respectively connected with the direct current bus, the roof photovoltaic device and the piezoelectric module are used for providing electric energy for the energy storage module and the distributed charging pile,
an inverter and a rectifier are connected between the DC bus and the AC bus, the inverter and the rectifier are used for AC-DC conversion of the DC bus and the AC bus,
an interconnection device is connected between the energy storage module and the alternating current bus, the interconnection device is used for realizing the interconnection of the energy storage module and the alternating current bus, a direct current interface of the interconnection device is connected with the energy storage module, an alternating current interface of the interconnection device is connected with the alternating current bus, the interconnection device is two groups of AC-DC bidirectional converters,
the dc bus is for providing electrical power to one or more of the dc loads and the ac bus is for providing electrical power to one or more of the ac loads.
In this embodiment, the rooftop photovoltaic device includes a photoelectric conversion module and an electric energy management module, the photoelectric conversion module is connected with the electric energy management module, the photoelectric conversion module includes a solar panel and an output port, the solar panel is an adjustable structure, the adjustable structure is used for adjusting an angle of the solar panel, the electric energy management module is used for monitoring electric quantity and allocating electric energy, the output port is connected with the direct current bus, the electric energy management module is connected with the energy storage module, the electric energy management module is used for allocating energy of the energy storage module and obtaining an electric quantity value of the energy storage module,
the distributed charging pile comprises a charging column body and a charging interface, the distributed charging pile is connected with the electric energy management module, the electric energy management module is used for controlling the energy allocation of the distributed charging pile, an operation interface is arranged on the charging column body, the operation interface is a human-computer interaction interface and is used for the intelligent control of an operator to the charging device,
when the device is used, an operator can connect the device to be charged through the charging interface, and can select the functions of the device to be charged, such as the attribute, the charging time, the payment mode and the like through the human-computer interaction interface, so that the differentiated charging and charging requirements of different devices are met, and various payment modes can be selected by the operator independently.
In this embodiment, the rooftop photovoltaic device further includes a weather information module connected to the power management module, the weather information module configured to collect weather information in real time and analyze weather information data and send the weather information data to the power management module,
when the solar panel temperature control system is used, the weather information module collects weather information according to a preset time interval, after analysis and judgment, the data are sent to the electric energy management module, the electric energy management module regulates and controls the configuration and storage of electric energy according to information sent by the weather information unit, and the solar panel temperature control system can also regulate the angle according to real-time weather information.
Embodiment two:
in this embodiment, the dc load comprises a distributed charging pile, an important dc load, a lighting system, the ac load comprises an important ac load, an emergency power supply, a control room,
when the electric energy system operates normally, the electric energy management module controls the photoelectric conversion module and the piezoelectric module to supply power to the distributed charging piles preferentially, under the condition that the power consumption of the distributed charging piles is ensured, the photoelectric conversion module and the piezoelectric module supply power to the important direct current load and the lighting system sequentially, after the power consumption of the distributed charging piles, the important direct current load and the lighting system is ensured, the energy storage module supplies power, when the electric quantity of the energy storage module reaches 90%, the inverter supplies power to the important alternating current load, after the power consumption of the important alternating current load is ensured, the energy storage module supplies power to the emergency power supply and the control room sequentially, after the power consumption of the important alternating current load, the emergency power supply and the control room is ensured, the energy storage module supplies power to the commercial power through the alternating current interface of the interconnection device,
when the photoelectric conversion module and the piezoelectric module supply power to the distributed charging piles, the electric energy management module controls the energy storage module to supply power to the distributed charging piles preferentially, when the distributed charging piles are guaranteed to supply power, the electric energy management module controls the energy storage module to supply power to the important direct current loads and the lighting system sequentially, when the electric quantity of the energy storage module reaches 30%, mains supply passes through the direct current interface of the interconnection device to supply power to the energy storage module, the electric energy management module controls the energy storage module to supply power to the distributed charging piles preferentially, when the electric quantity of the energy storage module reaches 90%, the electric energy management module controls the energy storage module to supply power to the important direct current loads and the lighting system sequentially, after the distributed charging piles, the important direct current loads and the lighting system are guaranteed to supply power, the mains supply power to the important alternating current loads through the alternating current interface of the interconnection device, after the important alternating current loads are guaranteed, the emergency power supply and the control room are sequentially supplied with power, and when the emergency power supply and the emergency power supply do not want to be supplied by the emergency power supply device through the rectifier.
The relative steps, numerical expressions and numerical values of the components and steps set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described system and apparatus may refer to corresponding procedures in the foregoing method embodiments, which are not described herein again.
In view of the foregoing, the present invention is not limited to the above-described embodiments, and those skilled in the art may devise other embodiments that fall within the spirit and scope of the invention.
It should be emphasized that the examples described herein are illustrative rather than limiting, and therefore the invention includes, but is not limited to, the examples described in the detailed description, as other embodiments derived from the technical solutions of the invention by a person skilled in the art are equally within the scope of the invention.
Claims (2)
1. The utility model provides an electric energy system that subway station fused which characterized in that: comprises a roof photovoltaic device, a distributed charging pile and a piezoelectric module, wherein the energy storage module, a direct current bus and an alternating current bus are respectively connected with the direct current bus, the roof photovoltaic device and the piezoelectric module are used for providing electric energy for the energy storage module and the distributed charging pile,
an inverter and a rectifier are connected between the DC bus and the AC bus, the inverter and the rectifier are used for AC-DC conversion of the DC bus and the AC bus,
an interconnection device is connected between the energy storage module and the alternating current bus, the interconnection device is used for realizing the interconnection of the energy storage module and the alternating current bus, a direct current interface of the interconnection device is connected with the energy storage module, an alternating current interface of the interconnection device is connected with the alternating current bus, the interconnection device is two groups of AC-DC bidirectional converters,
the dc bus is for providing electrical power to one or more of the dc loads, the ac bus is for providing electrical power to one or more of the ac loads,
the roof photovoltaic device comprises a photoelectric conversion module and an electric energy management module, wherein the photoelectric conversion module is connected with the electric energy management module, the photoelectric conversion module comprises a solar panel and an output port, the solar panel is of an adjustable structure, the adjustable structure is used for adjusting the angle of the solar panel, the electric energy management module is used for monitoring electric quantity and allocating electric energy, the output port is connected with the direct current bus, the electric energy management module is connected with the energy storage module, the electric energy management module is used for allocating energy of the energy storage module and acquiring the electric quantity value of the energy storage module,
the distributed charging pile comprises a charging column body and a charging interface, the distributed charging pile is connected with the electric energy management module, the electric energy management module is used for controlling the energy allocation of the distributed charging pile,
the electric energy management module is used for allocating the energy flow of the electric energy system, and the specific method is as follows:
when the electric energy system operates normally, the electric energy management module controls the photoelectric conversion module and the piezoelectric module to supply power to the distributed charging piles preferentially, the photoelectric conversion module and the piezoelectric module supply power to the direct current load in sequence under the condition of ensuring the power consumption of the distributed charging piles, after the power consumption of the distributed charging piles and the direct current load is ensured, the energy storage module supplies power, when the electric quantity of the energy storage module reaches 90%, the inverter supplies power to the alternating current load, and when the power consumption of the alternating current load is ensured, the energy storage module supplies power to the commercial power through the alternating current interface of the interconnection device,
when the photoelectric conversion module and the piezoelectric module supply power to the distributed charging piles, the electric energy management module controls the energy storage module to supply power to the distributed charging piles preferentially, when the distributed charging piles are guaranteed to supply power, the electric energy management module controls the energy storage module to supply power to the direct current load, when the electric quantity of the energy storage module reaches 30%, the mains supply supplies power to the energy storage module through the direct current interface of the interconnection device, the electric energy management module controls the energy storage module to supply power to the distributed charging piles preferentially, when the electric quantity of the energy storage module reaches 90%, the electric energy management module controls the energy storage module to supply power to the direct current load, after the power supply of the direct current load is guaranteed, the mains supply supplies power to the alternating current load through the alternating current interface of the interconnection device, and after the power supply of the alternating current load is guaranteed, the electric energy storage module supplies power to the distributed charging piles through the rectifier.
2. The subway station-integrated electrical energy system of claim 1, wherein: the roof photovoltaic device further comprises a weather information module, the weather information module is connected with the electric energy management module, and the weather information module is used for collecting weather information in real time, analyzing weather information data and sending the weather information data to the electric energy management module.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009155445A2 (en) * | 2008-06-18 | 2009-12-23 | Premium Power Corporation | Integrated renewable energy generation and storage systems and associated methods |
| CN104283288A (en) * | 2014-10-28 | 2015-01-14 | 国家电网公司 | Charging method and device of charging station |
| CN207790365U (en) * | 2017-12-26 | 2018-08-31 | 国网天津市电力公司 | New-type charge stake |
| CN110190616A (en) * | 2019-06-29 | 2019-08-30 | 深圳高力特通用电气有限公司 | A kind of intelligent DC power supply system and network |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9293948B2 (en) * | 2012-09-19 | 2016-03-22 | Sundial Energy, Inc. | Renewable uninterrupted power supply for critical node infrastructure support |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009155445A2 (en) * | 2008-06-18 | 2009-12-23 | Premium Power Corporation | Integrated renewable energy generation and storage systems and associated methods |
| CN104283288A (en) * | 2014-10-28 | 2015-01-14 | 国家电网公司 | Charging method and device of charging station |
| CN207790365U (en) * | 2017-12-26 | 2018-08-31 | 国网天津市电力公司 | New-type charge stake |
| CN110190616A (en) * | 2019-06-29 | 2019-08-30 | 深圳高力特通用电气有限公司 | A kind of intelligent DC power supply system and network |
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